ThunderSign provides a simple way to apply Digital signature on your Gmail attachments and to reply or send them to another recipient without using any other software.
It is developed for Bit4id Digital Signature Tokens.
If your Bit4id usb token is not reachable, try to install the driver manually or to
reinstall the software provided.
ThunderSign needs a Java APP and the related drivers installed to work properly, you can download it here:
https://1drv.ms/u/s!ArvmRG8fou1fihQq4P42U0gTuyyH?e=5pQcyv
or here:
https://drive.google.com/open?id=1U2GVa3BjFPP_Io19IEaHRotAh0i-uLSF
If the link does not work, check out the GitHub repository to download the latest version of the software.
Just run the installer, select a folder and you are done. To Uninstall run uninstall_host.bat and remove the folder manually.
You can choose between 3 signature methods:
Cades (p7m), Pades ( pdf), Visible Pades (Visible on pdf with images, text and on signature fields).
Then you can compose your email and login to your account to send it or simply store it to your downloads folder.
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ThunderSign is completely ad-free and does not collect any user information.
Java Application credit goes to:
https://github.com/AlessioScarfone/Java-Digital-Signature
This project is part of a Bachelor Thesis work, you can check ThunderSign GitHub on:
https://github.com/davidebug/DigitalSignature
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* The extension has been tested ONLY with Windows 10, Java 8 and with Bit4id smart card reader (Token) with an Italian Smart Card (Carta Nazionale dei Servizi).
In order to work with other OS, you need the right driver installed (not provided).*